From: Ron Hopper <rchopper@...>
Date: 2007-03-23T01:28:36+09:00
Subject: Re: Help processing a file or array

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On 3/22/07, Eduardo Y=E1=F1ez Parareda <eduardo.yanezNOSPAM@nospamgmail.com=
>
wrote:
>
>
> lines =3D File.new("file1").readlines
> tags =3D File.new("file2).readlines
>
> Is there a Ruby way to remove lines from 'lines' variable which contain
> tags from 'tags' variable?
>

The most straightforward way seems to be:

lines.reject do |line|
  tags.any? do |tag|
    line.include? tag.chomp
  end
end

...or the same thing a bit more succinctly:

lines.reject {|line| tags.any? {|tag| line.include?(tag.chomp) }}


- chopper

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